Washing machine



FIG. 1 is a perspective view of a washing machine showing my new design:

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view coupled with an ordinary washing machine; and,

FIG. 9 is a perspective view coupled with another ordinary washing machine.

The dash-dot broken lines are included for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM I claim the ornamental design for a washing machine, as shown and described. 